CN109401130A - A kind of high-strength corrosion-resisting PVC plastic - Google Patents
A kind of high-strength corrosion-resisting PVC plastic Download PDFInfo
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
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- C08K9/00—Use of pretreated ingredients
- C08K9/04—Ingredients treated with organic substances
- C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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Abstract
The present invention relates to a kind of PVC plastics of high-strength corrosion-resisting, are prepared from the following raw materials by weight: 60-72 parts of PVC pellet, 4-6 parts of plasticizer, 2-3 parts of nano zine oxide, 15-22 parts attapulgite modified, 8-10 parts of mica powder, 10-15 parts of glass fibre；High-strength corrosion-resisting PVC plastic provided by the invention is by being modified ingredient, the intensity and wearability of plastics can be obviously improved, especially improve the acid-alkali-corrosive-resisting of plastics, it can be widely used in the field of construction, the service life for extending PVC material product, it can be used for building penetration pipe, downcomer etc..
Description
Technical field
The invention belongs to novel plastic fields, and in particular to a kind of high-strength corrosion-resisting PVC plastic.
Background technique
PVC was once the maximum general-purpose plastics of yield in the world, very widely used.In construction material, industrial product, daily
Product, flooring laminate, floor tile, artificial leather, tubing, wire and cable, packaging film, bottle, foamed material, sealing material, fiber etc.
It is widely used.PVC plastic is also largely used in building materials field, is needed in pre-buried wall for example as pipeline material, by
There is stronger corrosivity in concrete etc., this just needs PVC to have good corrosion resistance.
Summary of the invention
The object of the present invention is to provide a kind of high-strength corrosion-resisting PVC plastics to improve the corrosion-resistant of PVC by processing
Property, intensity can also be promoted, processability is kept.
The invention is realized by the following technical scheme:
A kind of PVC plastic of high-strength corrosion-resisting, is prepared from the following raw materials by weight:
60-72 parts of PVC pellet, 4-6 parts of plasticizer, 2-3 parts of nano zine oxide, 15-22 parts attapulgite modified, mica powder 8-10
Part, 10-15 parts of glass fibre；
The attapulgite modified following methods that pass through are modified processing:
(1), attapulgite is cleaned, handles 1-2h at 350-400 DEG C, then heat to 620 DEG C of heat preservation 10-15min；
(2), the attapulgite for handling step (1) well uses the acetum immersion treatment 1-2h of mass fraction 5%, then exists
It is dried at 80-90 DEG C；
(3), the attapulgite for handling step (2) well uses treatment fluid immersion treatment, uses ultrasonic oscillation in soaking process,
Treatment fluid is prepared from the following raw materials by weight: 2 parts of trimethylolpropane, 3.5 parts of expanded graphite, dodecyl sodium sulfate 1.8
Part, 25 parts of ethanol solution of volume fraction 60%；
(4), the attapulgite that step (3) is handled well is evaporated using rotary evaporator, attapulgite weight 1.2% is then added
Silane coupling agent, be uniformly mixed, obtain attapulgite modified.
The mica powder is modified by following methods:
(1), mica powder is handled into 20min using the nitric acid solution of mass fraction 8%, is then distinguished using water and acetone soln clear
It washes 2 times, dries；
(2), take carbon nanotube, by carbon nanotube use mass fraction 5% oxalic acid solution immersion treatment 1h, then using go from
Sub- water cleans carbon nanotube, and drying dilutes Silane coupling agent KH550 using solvent, and being prepared into mass concentration is 5%
Solution, carbon nanotube is put into Silane coupling agent KH550 solution, be ultrasonically treated 5min, filter, drying；
(3), the carbon nanotube for obtaining the mica powder of step (1) and step (2) is mixed by weight the ratio of 20:1, with
The revolving speed of 1800r/min stirs 20min, obtains modified micaceous powder.
The glass fibre passes through modification, and method of modifying is by glass fibre and modified zeolite powder by weight 10:1
Ratio mixing；Zeolite is modified by following methods, and the water of the weight such as weight zeolite is added into zeolite, is uniformly mixed, and freezes 5h
After take out, heating in vacuum to 400 DEG C of heat preservation 20min is naturally cooling to 120 DEG C, keeps the temperature 15min, and ball milling obtains modified nano zeolite.
The partial size of the modified nano zeolite is less than 0.1mm.
The silane coupling agent retarder thinner is ethanol solution.
When processing, raw material is squeezed out at 90-125 DEG C, when molding, handles 15-30min under 10-15MPa pressure.
Using attapulgite modified in the present invention, attapulgite is by being modified, making it have good porosity and being suitble to
Aperture, when being added in polyvinyl chloride resin, can be used as crosslinking node promoted polyvinyl chloride cross-linking effect, promoted polychlorostyrene
The intensity of ethylene can also promote corrosion resistance, and in processing, the ingredients such as expanded graphite are added, and improve resin in process
Mobility can promote the processability of polyvinyl chloride resin；Mica powder is added during processing, polyvinyl chloride resin can also be promoted
Insulating properties and heat resistance, simultaneously as there is mica powder good acid-alkali-corrosive-resisting performance to be able to ascend PVC after the addition
Acid-alkali-corrosive-resisting can increase the dispersion effect of mica powder and attapulgite, PVC etc. by the modification to mica powder
Fruit avoids occurring phenomena such as layering, removing in processing and use process, influences the intensity and using effect of material, by handling,
PVC can also be promoted to generate crosslinking, further promote corrosion resistance；In glass fibre processing, modified zeolite powder is added, increases
Add zeolite porosity and adsorptivity, zeolite powder is allow to be wrapped in fiberglass surfacing, promotes the dispersibility of glass fibre, together
When, relatively stable reticular structure is formed as tie point and other compositions, promotes PVC comprehensive performance.
Beneficial effects of the present invention: high-strength corrosion-resisting PVC plastic provided by the invention is by being modified ingredient, energy
It is enough obviously improved the intensity and wearability of plastics, especially improves the acid-alkali-corrosive-resisting of plastics, it can be in building field
In be widely used, extend PVC material product service life, can be used for building penetration pipe, downcomer etc..
Specific embodiment
Embodiment 1
A kind of PVC plastic of high-strength corrosion-resisting, is prepared from the following raw materials by weight:
68 parts of PVC pellet, 5 parts of plasticizer, 2.5 parts of nano zine oxide, 18 parts attapulgite modified, 9 parts of mica powder, glass fibre
12 parts；
The attapulgite modified following methods that pass through are modified processing:
(1), attapulgite is cleaned, handles 1.5h at 380-385 DEG C, then heat to 620 DEG C of heat preservation 12min；
(2), the attapulgite for handling step (1) well uses the acetum immersion treatment 1h of mass fraction 5%, then 85
It is dried at DEG C；
(3), the attapulgite for handling step (2) well uses treatment fluid immersion treatment, uses ultrasonic oscillation in soaking process,
Treatment fluid is prepared from the following raw materials by weight: 2 parts of trimethylolpropane, 3.5 parts of expanded graphite, dodecyl sodium sulfate 1.8
Part, 25 parts of ethanol solution of volume fraction 60%；
(4), the attapulgite that step (3) is handled well is evaporated using rotary evaporator, attapulgite weight 1.2% is then added
Silane coupling agent, be uniformly mixed, obtain attapulgite modified.
The mica powder is modified by following methods:
(1), mica powder is handled into 20min using the nitric acid solution of mass fraction 8%, is then distinguished using water and acetone soln clear
It washes 2 times, dries；
(2), take carbon nanotube, by carbon nanotube use mass fraction 5% oxalic acid solution immersion treatment 1h, then using go from
Sub- water cleans carbon nanotube, and drying dilutes Silane coupling agent KH550 using solvent, and being prepared into mass concentration is 5%
Solution, carbon nanotube is put into Silane coupling agent KH550 solution, be ultrasonically treated 5min, filter, drying；
(3), the carbon nanotube for obtaining the mica powder of step (1) and step (2) is mixed by weight the ratio of 20:1, with
The revolving speed of 1800r/min stirs 20min, obtains modified micaceous powder.
The glass fibre passes through modification, and method of modifying is by glass fibre and modified zeolite powder by weight 10:1
Ratio mixing；Zeolite is modified by following methods, and the water of the weight such as weight zeolite is added into zeolite, is uniformly mixed, and freezes 5h
After take out, heating in vacuum to 400 DEG C of heat preservation 20min is naturally cooling to 120 DEG C, keeps the temperature 15min, and ball milling obtains modified nano zeolite.
The partial size of the modified nano zeolite is less than 0.1mm.
The silane coupling agent retarder thinner is ethanol solution.
Embodiment 2
A kind of PVC plastic of high-strength corrosion-resisting, is prepared from the following raw materials by weight:
70 parts of PVC pellet, 5.6 parts of plasticizer, 2.5 parts of nano zine oxide, 20 parts attapulgite modified, 9 parts of mica powder, glass fibers
13 parts of dimension；
The attapulgite modified following methods that pass through are modified processing:
(1), attapulgite is cleaned, handles 2h at 380 DEG C, then heat to 620 DEG C of heat preservation 15min；
(2), the attapulgite for handling step (1) well uses the acetum immersion treatment 1.5h of mass fraction 5%, then exists
It is dried at 85 DEG C；
(3), the attapulgite for handling step (2) well uses treatment fluid immersion treatment, uses ultrasonic oscillation in soaking process,
Treatment fluid is prepared from the following raw materials by weight: 2 parts of trimethylolpropane, 3.5 parts of expanded graphite, dodecyl sodium sulfate 1.8
Part, 25 parts of ethanol solution of volume fraction 60%；
(4), the attapulgite that step (3) is handled well is evaporated using rotary evaporator, attapulgite weight 1.2% is then added
Silane coupling agent, be uniformly mixed, obtain attapulgite modified.
The mica powder is modified by following methods:
(1), mica powder is handled into 20min using the nitric acid solution of mass fraction 8%, is then distinguished using water and acetone soln clear
It washes 2 times, dries；
(2), take carbon nanotube, by carbon nanotube use mass fraction 5% oxalic acid solution immersion treatment 1h, then using go from
Sub- water cleans carbon nanotube, and drying dilutes Silane coupling agent KH550 using solvent, and being prepared into mass concentration is 5%
Solution, carbon nanotube is put into Silane coupling agent KH550 solution, be ultrasonically treated 5min, filter, drying；
(3), the carbon nanotube for obtaining the mica powder of step (1) and step (2) is mixed by weight the ratio of 20:1, with
The revolving speed of 1800r/min stirs 20min, obtains modified micaceous powder.
The glass fibre passes through modification, and method of modifying is by glass fibre and modified zeolite powder by weight 10:1
Ratio mixing；Zeolite is modified by following methods, and the water of the weight such as weight zeolite is added into zeolite, is uniformly mixed, and freezes 5h
After take out, heating in vacuum to 400 DEG C of heat preservation 20min is naturally cooling to 120 DEG C, keeps the temperature 15min, and ball milling obtains modified nano zeolite.
The partial size of the modified nano zeolite is less than 0.1mm.
The silane coupling agent retarder thinner is ethanol solution.
Embodiment 3
Compared with Example 1, mica powder is without modification.
Embodiment 4
Compared with Example 1, glass fibre is without modification.
Embodiment 5
Compared with Example 1, mica powder and glass fibre are without modification.
In order to verify the performance of PVC plastic made of each embodiment raw material, it is provided with following comparative example, then verifies PVC
The performances such as intensity, the corrosion resistance of plastics.
Comparative example 1
Compared with Example 1, attapulgite is without modification.
Comparative example 2
Compared with Example 1, attapulgite is not added in raw material.
Comparative example 3
Compared with Example 1, mica powder is not added in raw material.
Comparative example 4
Compared with Example 1, glass fibre is not added in raw material.
Comparative example 5
Compared with Example 1, it in attapulgite modified processing, is handled without using treatment fluid.
In order to verify the performance of the PVC plastic prepared in each example, the following index of PVC plastic is tested, as a result such as table 1:
Table 1
Note: acid resistance is that the sample for being 20mm*20mm*3mm by size is put into the sulfuric acid solution that mass fraction is 15% in table 1,
720h is handled at room temperature, measures mass loss rate.
Alkali resistance is that the sample for being 20mm*20mm*3mm by size is put into the sodium hydroxide solution that mass fraction is 15%,
720h is handled at room temperature, measures mass loss rate.
Tensile strength is tested using GB1040-2006 method.
As shown in Table 1, the plastics of the embodiment of the present application preparation have good tensile strength, and have good acidproof
Property and alkali resistance, after changing ingredient, the performance of material is decreased obviously.
In order to verify the corrosion resistance of composite pipe material of the present invention, the hydrochloric acid for being 5% in mass fraction by each group sample
Immersion treatment 30 days in the sodium hydroxide solution of solution and mass fraction 5%, the temperature of solution is maintained at 25 DEG C, and then test is each
Group sample tensile strength, bending strength conservation rate, as a result such as table 2；
Table 2
Note: tensile strength uses GB/T1040.2-2006 standard test；
As shown in Table 2, the plastics in the application have better acid-proof alkaline, still can be in the case where soda acid processing
Keep good mechanical property.
Claims (5)
1. a kind of PVC plastic of high-strength corrosion-resisting, which is characterized in that be prepared from the following raw materials by weight:
60-72 parts of PVC pellet, 4-6 parts of plasticizer, 2-3 parts of nano zine oxide, 15-22 parts attapulgite modified, mica powder 8-10
Part, 10-15 parts of glass fibre；
The attapulgite modified following methods that pass through are modified processing:
(1), attapulgite is cleaned, handles 1-2h at 350-400 DEG C, then heat to 620 DEG C of heat preservation 10-15min；
(2), the attapulgite for handling step (1) well uses the acetum immersion treatment 1-2h of mass fraction 5%, then exists
It is dried at 80-90 DEG C；
(3), the attapulgite for handling step (2) well uses treatment fluid immersion treatment, uses ultrasonic oscillation in soaking process,
Treatment fluid is prepared from the following raw materials by weight: 2 parts of trimethylolpropane, 3.5 parts of expanded graphite, dodecyl sodium sulfate 1.8
Part, 25 parts of ethanol solution of volume fraction 60%；
(4), the attapulgite that step (3) is handled well is evaporated using rotary evaporator, attapulgite weight 1.2% is then added
Silane coupling agent, be uniformly mixed, obtain attapulgite modified.
2. a kind of high-strength corrosion-resisting PVC plastic according to claim 1, which is characterized in that the mica powder pass through with
Lower method is modified:
(1), mica powder is handled into 20min using the nitric acid solution of mass fraction 8%, is then distinguished using water and acetone soln clear
It washes 2 times, dries；
(2), take carbon nanotube, by carbon nanotube use mass fraction 5% oxalic acid solution immersion treatment 1h, then using go from
Sub- water cleans carbon nanotube, and drying dilutes Silane coupling agent KH550 using solvent, and being prepared into mass concentration is 5%
Solution, carbon nanotube is put into Silane coupling agent KH550 solution, be ultrasonically treated 5min, filter, drying；
(3), the carbon nanotube for obtaining the mica powder of step (1) and step (2) is mixed by weight the ratio of 20:1, with
The revolving speed of 1800r/min stirs 20min, obtains modified micaceous powder.
3. a kind of high-strength corrosion-resisting PVC plastic according to claim 1, which is characterized in that the glass fibre passes through
Modification, method of modifying are to mix glass fibre and modified zeolite powder by weight 10:1 ratio；Zeolite passes through with lower section
Method is modified, and the water of the weight such as weight zeolite is added into zeolite, is uniformly mixed, and takes out after freezing 5h, heating in vacuum to 400 DEG C of guarantors
Warm 20min is naturally cooling to 120 DEG C, keeps the temperature 15min, and ball milling obtains modified nano zeolite.
4. a kind of high-strength corrosion-resisting PVC plastic according to claim 3, which is characterized in that the modified nano zeolite
Partial size be less than 0.1mm.
5. a kind of high-strength corrosion-resisting PVC plastic according to claim 2, which is characterized in that the silane coupling agent is dilute
Releasing solvent is ethanol solution.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811359421.8A CN109401130A (en) | 2018-11-15 | 2018-11-15 | A kind of high-strength corrosion-resisting PVC plastic |
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| CN201811359421.8A CN109401130A (en) | 2018-11-15 | 2018-11-15 | A kind of high-strength corrosion-resisting PVC plastic |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111138776A (en) * | 2019-12-29 | 2020-05-12 | 山东胜伟盐碱地科技有限公司 | Salt-removing concealed conduit for saline-alkali soil and preparation method thereof |
| CN112250972A (en) * | 2020-11-05 | 2021-01-22 | 玉环德谷新材料科技有限公司 | Corrosion-resistant plastic and preparation method thereof |
| CN112409733A (en) * | 2020-11-22 | 2021-02-26 | 颍上县龙裕扬工贸有限公司 | Composite corrosion-resistant plastic product and processing method thereof |
| CN113717457A (en) * | 2021-08-30 | 2021-11-30 | 广东联讯电缆有限公司 | High-strength cable sheath material |
| CN115584228A (en) * | 2022-09-08 | 2023-01-10 | 珠海市明清新型材料科技有限公司 | Quartz special material and preparation method thereof |
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|---|---|---|---|---|
| CN102382396A (en) * | 2011-09-29 | 2012-03-21 | 芜湖海杉型材有限公司 | Novel plastic pipe and preparation method thereof |
| CN108238607A (en) * | 2018-01-31 | 2018-07-03 | 安徽金丰新型建材有限公司 | A kind of modification processing method of attapulgite |
| CN108424593A (en) * | 2018-04-04 | 2018-08-21 | 合肥永泰新型建材有限公司 | A kind of new composite construction material and preparation method thereof |
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2018
- 2018-11-15 CN CN201811359421.8A patent/CN109401130A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382396A (en) * | 2011-09-29 | 2012-03-21 | 芜湖海杉型材有限公司 | Novel plastic pipe and preparation method thereof |
| CN108238607A (en) * | 2018-01-31 | 2018-07-03 | 安徽金丰新型建材有限公司 | A kind of modification processing method of attapulgite |
| CN108424593A (en) * | 2018-04-04 | 2018-08-21 | 合肥永泰新型建材有限公司 | A kind of new composite construction material and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111138776A (en) * | 2019-12-29 | 2020-05-12 | 山东胜伟盐碱地科技有限公司 | Salt-removing concealed conduit for saline-alkali soil and preparation method thereof |
| CN112250972A (en) * | 2020-11-05 | 2021-01-22 | 玉环德谷新材料科技有限公司 | Corrosion-resistant plastic and preparation method thereof |
| CN112409733A (en) * | 2020-11-22 | 2021-02-26 | 颍上县龙裕扬工贸有限公司 | Composite corrosion-resistant plastic product and processing method thereof |
| CN113717457A (en) * | 2021-08-30 | 2021-11-30 | 广东联讯电缆有限公司 | High-strength cable sheath material |
| CN113717457B (en) * | 2021-08-30 | 2024-04-30 | 广东联讯电缆有限公司 | High-strength cable sheath material |
| CN115584228A (en) * | 2022-09-08 | 2023-01-10 | 珠海市明清新型材料科技有限公司 | Quartz special material and preparation method thereof |
| CN115584228B (en) * | 2022-09-08 | 2023-12-26 | 珠海市明清新型材料科技有限公司 | Quartz special material and preparation method thereof |
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Application publication date: 20190301 |